Play "Guess My Rule?" A Free Math Game That Teaches Functions
Home > Math Activities > Guess My Rule? To play this free math game, you simply think of a formula and have the student guess input values. After each input value you supply an output value. The student has to guess the rule. For example, you think of the rule y = 2x + 1. The student guesses 0, and you reply 1. The student guesses 1, and you reply 3. The student guesses 3 and you reply 7. The student then guesses the rule "double the number and add one", which would be correct. Note: This is a good way to teach equivalence of algebraic expressions. For example, the rule "double the number and add two" i.e. 2x+2 is equivalent to "add one to the number and then multiply this amount by two" i.e. 2(x+1). A variation on this game is to allow the student to come up with the rule. The student will enjoy trying to stump the teacher!
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